Refrigerant Pressure Sensor / Switch: Service and Repair
REMOVAL1. DISCHARGE REFRIGERANT FROM REFRIGERANT SYSTEM
2. REMOVE PRESSURE SWITCH
a. Disconnect the pressure switch connector.
b. Remove the pressure switch from the liquid tube.
HINT: Lock the switch mount on the tube with an open end wrench, being careful not to deform the tube, and remove the switch.
INSTALLATION
1. INSTALL PRESSURE SWITCH
a. Coat a new O-ring with compressor oil.
b. Install the pressure switch to the liquid tube.
Torque: 9.8 N.m (100 kg.cm, 87 in.lb)
2. CHARGE REFRIGERANT TO REFRIGERANT SYSTEM
a. Evacuate air from the refrigeration system.
b. Charge system with refrigerant and inspect for leakage of refrigerant.
Specified amount: 500 ± 50 g (17.64 ± 1.76 oz.)